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Volumetric analysis of the substantia innominata in patients with Parkinson's disease according to cognitive status

Title
Volumetric analysis of the substantia innominata in patients with Parkinson's disease according to cognitive status
Authors
Seo Hee Choi;Tae Min Jung;Phil Hyu Lee;Young H. Sohn;Seung-Koo Lee;Ji E. Lee
Issue Date
2012
Journal Title
Neurobiology of Aging
ISSN
0197-4580
Citation
Neurobiology of Aging, Vol.33(7) : 1265~1272, 2012
Abstract
The cholinergic system arising from the substantia innominata (SI) of the basal forebrain has an important role in the cognitive functions of Parkinson's disease (PD). We performed magnetic resonance imaging based volumetric analysis to evaluate the SI volume in patients with PD-intact cognition (PD-IC), PD-mild cognitive impairment (PD-MCI), and PD dementia (PDD). The mean normalized SI volume was significantly decreased in patients with PD-IC (1.54 ± 0.12, p < 0.001), PD-MCI (1.49 ± 0.12, p < 0.001), and PDD (1.39 ± 0.12, p < 0.001) compared with that of control subjects (1.68 ± 0.11). The normalized SI volume did not differ between patients with PD-IC and PD-MCI; however, the normalized SI volume was significantly decreased in patients with PDD compared with that in those with PD-IC (p < 0.001) or PD-MCI (p = 0.016). The normalized SI volume was significantly correlated with general cognitive status (r = 0.51, p < 0.001) as well as with performance in each cognitive subdomain, with a particularly significant independent association with attention (β = 0.33, p = 0.003) and object naming (β = 0.26, p = 0.017). The present study demonstrated that the SI volume in PD differs depending on cognitive status and is significantly correlated with cognitive performance.
URI
http://www.sciencedirect.com/science/article/pii/S0197458010004987

http://ir.ymlib.yonsei.ac.kr/handle/22282913/91523
DOI
10.1016/j.neurobiolaging.2010.11.015
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
1. 연구논문 > 1. College of Medicine > Dept. of Neurology
Yonsei Authors
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